Two workers prepare the art installation by Chinese artist Ai Weiwei entitled ‘Sunflower Seeds’ in London, Monday, Oct. 11, 2010. The specially commissioned art piece takes the form of a field of sunflower seeds inside the Turbine Hall at Tate Modern gallery, made of over 100 million handmade unique porcelain replicas of sunflower seeds, made by Chinese Artist Ai Weiwei, and will run until May 2, 2011.(AP Photo/Lennart Preiss)